Results 11 to 20 of about 334,315 (204)

Long-term evolution of magnetospheric current systems during storms [PDF]

Annales Geophysicae, 2004
We present a method to model the storm-time magnetospheric magnetic field using representations of the magnetic field arising from the various magnetospheric current systems.
N. Yu. Ganushkina, T. I. Pulkkinen, M. V. Kubyshkina, H. J. Singer, C. T. Russell   +4 more
doaj   +3 more sources

Cassini observations of ion and electron beams at Saturn and their relationship to infrared auroral arcs [PDF]

, 2012
[1] We present Cassini Visual and Infrared Mapping Spectrometer observations of infrared auroral emissions from the noon sector of Saturn's ionosphere revealing multiple intense auroral arcs separated by dark regions poleward of the main oval.
T. Kimura (7025969), Badman, S. V., Kimura, T., Tao, C., Coates, AJ, S. V. Badman, Achilleos, Nick, C. S. Arridge, Melin, H, K.H. Baines (7600877), T. Stallard, Kasahara, S., N. Achilleos, Arridge, C. S., M.K. Dougherty (7598654), Bunce, EJ, Badman, S.V., T.S. Stallard (7600244), H. Melin, C.S. Arridge (7598645), Mitchell, D. G., G. Hospodarsky (7600883), Baines, KH, S.V. Badman (7600679), R.H. Brown (7600880), Badman, SV, Arridge, CS, S. Kasahara, Dougherty, M. K., Brown, RH, Cowley, S. W. H., Dougherty, M.K., Bunce, E. J., K. H. Baines, Arridge, Chris S., S. Kasahara (7600886), Fujimoto, M, Achilleos, N., Baines, K. H., C. Tao, S. W. H. Cowley, Mitchell, DG, H. Melin (7600241), R. H. Brown, D.G. Mitchell (7600691), Achilleos, N, M. Fujimoto (3243669), Hospodarsky, G, G. Hospodarsky, Bunce, E.J., Dougherty, MK, Hospodarsky, G., A. J. Coates, Kasahara, S, Stallard, T, Mitchell, D.G., M. K. Dougherty, Kimura, T, Brown, R.H., E.J. Bunce (7600682), Stallard, T., N. Achilleos (7600235), C. Tao (7600889), Coates, Andrew J., Fujimoto, M., Coates, A. J., Cowley, S.W.H., Tao, C, S.W.H. Cowley (7591226), Melin, H., Brown, R. H., T. Kimura, E. J. Bunce, A.J. Coates (7598648), Baines, K.H., Cowley, SWH, M. Fujimoto, D. G. Mitchell   +77 more
core   +5 more sources

On the origin of high m magnetospheric waves [PDF]

, 2010
A survey of Advanced Rio-Imaging Experiment in Scandinavia data reveals evidence for a previously overlooked generation mechanism of high azimuthal wave number magnetospheric waves.
Honary, F., Kavanagh, Andrew J., Beharrell, Matthew J.   +2 more
core   +3 more sources

Current Systems in the Earth's Magnetosphere [PDF]

Reviews of Geophysics, 2018
AbstractThe basic structure and dynamics of the primary electric current systems in the Earth's magnetosphere are presented and discussed. In geophysics, the word current is used to describe the flow of mass from one location to another, and its analog of electric current is a flow of charge from one place to another.
N. Yu. Ganushkina, M. W. Liemohn, S. Dubyagin   +2 more
openaire   +3 more sources

Rotational modulation and local time dependence of Saturn's infrared H3+ auroral intensity [PDF]

, 2012
Planetary auroral emissions reveal the configuration of magnetospheric field-aligned current systems. In this study, Cassini Visual and Infrared Mapping Spectrometer (VIMS) observations of Saturn's pre-equinox infrared H3+ aurorae were analysed to show ...
Baines, K. H., Badman, S. V., Kimura, T., Tao, C., Lamy, L., Stallard, T., Provan, G., Fujimoto, M., Andrews, D. J., Melin, H., Kasahara, S., Brown, R. H., Cowley, S. W. H.   +12 more
core   +4 more sources

Revised time-of-flight calculations for high-latitude geomagnetic pulsations using a realistic magnetospheric magnetic field model [PDF]

, 2005
We present a simple time-of-flight analysis of Alfvén pulsations standing on closed terrestrial magnetic field lines. The technique employed in this study in order to calculate the characteristic period of such oscillations builds upon earlier time-of ...
Waters, C. L., Yeoman, T. K., Wild, James A.   +2 more
core   +3 more sources

Towards a synthesis of substorm electrodynamics : HF radar and auroral observations [PDF]

, 2006
At 08:35 UT on 21 November 2004, the onset of an interval of substorm activity was captured in the southern hemisphere by the Far UltraViolet (FUV) instrument on board the IMAGE spacecraft. This was accompanied by the onset of Pi2 activity and subsequent
Devlin, J. C., Parkinson, M. L., Lester, M., Frey, H. U., Yeoman, T. K., Grocott, A., Dyson, P. L.   +6 more
core   +5 more sources

The magnetospheric banana current [PDF]

Journal of Geophysical Research: Space Physics, 2013
It is shown that the banana current, a current system in the inner magnetosphere closing entirely within the magnetosphere (i.e., not through the ionosphere or on the magnetopause) but not circumflowing around the Earth, is a regular feature of near‐Earth space.
Liemohn, Michael W., Ganushkina, Natalia Yu., Katus, Roxanne M., De Zeeuw, Darren L., Welling, Daniel T.   +4 more
openaire   +2 more sources

Surface conductivity of Mercury provides current closure and may affect magnetospheric symmetry [PDF]

Annales Geophysicae, 2004
We study what effect a possible surface conductivity of Mercury has on the closure of magnetospheric currents by making six runs with a quasi-neutral hybrid simulation.
P. Janhunen, E. Kallio
doaj   +1 more source

Currents in Saturn's magnetosphere [PDF]

Journal of Geophysical Research: Space Physics, 1983
A model of Saturn's magnetospheric magnetic field is obtained from the Voyager 1 and 2 observations. A representation consisting of the Z3 zonal harmonic model of Saturn's planetary magnetic field together with an explicit model of the equatorial ring current fits the observations well within r < 20 Rs, with the exception of data obtained during the
J. E. P. Connerney, M. H. Acuña, N. F. Ness   +2 more
openaire   +1 more source